QUESTIONS AND ANSWERS WITH COMPLETE A+ SOLUTIONS!!!
*Reducing Samples*
When reduction of the field sample before testing isn't recommended, the ____________ field sample
should be tested. - Correct Answer -Entire
*Reducing Samples*
What determines whether large-size particles are equally distributed among test samples that have been
reduced? ________________________ - Correct Answer -Laws of chance
*Reducing Samples*
Method A, the ____________ method, must be used with fine, dry aggregate. - Correct Answer -Mechanical
splitter
*Reducing Samples*
If Method B or C is to be used, ____________ the sample. - Correct Answer -Moisten
*Reducing Samples*
If Method A is to be used and the sample is wet, ____________ the sample. - Correct Answer -Dry
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,*Reducing Samples*
Method C, miniature stockpiling, cannot be used for ____________ or mixtures of coarse and fine
aggregate. - Correct Answer -Coarse aggregates
*Reducing Samples*
Method ____________ involves the use of chutes, holding receptacles, and hoppers or straight edge pans.
- Correct Answer -A
*Reducing Samples*
Sample splitters must have ____________ equal width chutes for coarse aggregate and ____________ for
fine aggregate. - Correct Answer -8; 12
*Reducing Samples*
The differences or variations in the procedures of Method B are based on the ____________ of the floor
surface. - Correct Answer -Evenness
*Reducing Samples*
In Methods B and C, the sample is shoveled into a ____________ before it is flattened and divided. -
Correct Answer -Conical pile
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, *Reducing Samples*
In using the alternate procedure in Method B the field sample may be placed on a(n)
_________________________. - Correct Answer -Canvas blanket or tear-resistant tarp
*Reducing Samples*
In quartering, retain two ____________ quarters and reject the other two. - Correct Answer -Diagonally
opposite
- Correct Answer -
- Correct Answer -
Performance Checklist:
Sampling of Aggregates:
Flowing Aggregate Stream (Bins or Belt Discharge)
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